Steady-rest.



B. M. W. HANsoN. STEADY REST. AIPLIUATION FILED JUNE 27, 1908. 952, 193, Patented Mar. 15, 1910.

vent

P'UNITED STATES PATENT OFFICE.

BENGT M. W. HANSON', 0F HARTFORD, CONNECTICUT, ASSIGNOR TO PRATT 8LW'HITNEY COMPANY, OF HARTFORD, CONNECTICUT, A CORPORATION OF NEW JERSEY.

STEADY-REST.

June 27, 1908.

- steady-rests fledl` March 23, 1908 'and Serial No. 422,805. "Itl"herefore follows that the present steady-res` possesses all theadvantages and is capablezof all the uses set forth in the. parent'application.

In the drawings .l have shown in ,side elevation a steady-rest and itsadjuncts comprising my invention, and referring to said drawing thenumeral '2 denotes a slide which may be mounted for movementlongitiidiiially of the bed or equivalent part of a metal-reducing orother machine with which said steady-rest may be employed. There may becooperative with said slideZ means for holding the same in a desiredadjusted position and for this purpose clampingnieans such as thatdenoted in l.a general tray' by 3 may be provided. rlhe slide 2 in turnsupports a second slide as 4 the latter in practice moving transverselyof the lower slide 3 and it may be operated by a mit on a screw as 5.- Ihave set forth in a brietl manner two slides which are found in certainknown metal-reducing or grinding inachiiies. It is not' essential that Iemploy my steady-rest andits associated par-ts with said slides for Imay use them, if desired,in other ways.

I have illustrated as rising from the upper slide 4 a standard or post 6which constitutes a convenient supporting device for a lever as 7 shownas pivoted hy a pin 8 to said standard or post. Said lever 7 isrepresented equipped with a cam-portion as 9 constituting really thehead of said lever and the purpose of which will be hereinafter setforth. It might be stated at this time, however, that the active face ofthe cani Sl'is exterior thereof and that such face is ofprogressively-incrtaising radius so that it can exert a powerful effectupon a steady-rest carrier as 1t).

'lhe steady-rest carrier l() in the foi-n Specification of LettersPatent. Pgitggllfml )[5113 15, 1910,

Original application filed March 23, 1908, Serial No. 422,805.

Divided and. this application filed sei-iai No. 440,754.

shown consists of a blot-lc which is preferably bodily movable along astraight' path the latter being diagonal or at an angle to the work.(Illustrated by the dotted circle X.) .\s a means for guiding thesteadyrest carrier lt), a pin or stud as 11 may be utilized, the saidpin or stud being rigidly connected in some suitabh` way to the slide-land extending at an :ingle therefrom corresponding to that at which itis intended the carrier 10 should more durinnl its advance. The piu orstud 11 preferably extends through a perforation in the carrier or blockl0. v

The steady-rest shown is designated by 1L and it is preferably removably-inounted upon the carrier therefor whereby it may be taken from placeand one of a different character substituted therefor. The connectionbetween the steady-rest and its carrier, however, is preferably a' rigidone.

The cani-lever is preferably automaticallyoperable and for this prurposeit.- is shown as provided on its long outer arm with an adjustableweiojht as 13 and which may be held in its dilierent adjusted positionsby i screw as lltapped therethrough and adapted to engage said longouter arm, the weight being adapted to exert a constant. downward swingto or pull iipou said arni the. force thus developed beingjapplied tothe cam 9 whereby the latter can advance the steadyrest carrier 10 andin addition-to this cani unyieldingly prevent reti-active movement' ofsaid carrier by `virtue of which said steady-rest will be caused to notonly follow up the Work as the grinding or other operation .progressesbut will engage the work at` all times in a solid, substantial inafinerand eliminate all possibility of lateral movement of the work.

-The cam 9 preferably directly operates the cai'rier 10; by this lA donot mean that the cam necessarily has to directly engage the carrier butthat its force is applied directly to the carrier or to some relativelyrigid part thereof as the screw 15. This screw which constitutes aconvenient adjustable stop is tapped tl'rough the carrier or block 1()and its inner end or tip is engaged by the active face of the cam t).llt is clear that by the operation of the screw 'l5 the amount ofadvancing movement of the carrier 'l0 can be regulated. lhe advancingmovement, of

constituting an Q' long arm moves downward the active face of the eain 9will be caused to ride over the vsaid Screw to advance the carrier l0.The -fdilierenee between the point at which the i power is applied bythe Cain 9 to the carrier 15.10 anll ll 3. axis er center of motion ofsaid i," between said axis and vthe lever T so much greater than thedistance place at which .the operatin force is applied to the lever 7that lhiS alone would preventi unyiehlingly i barflnraril inovenienl. ofSaill carrier.

alone' said work nml also lt will be apparent thai: the steady-rest l2,is rigidly but removably aiipijiorlteel by its -earrier ll). Haiilsteady-rest so engages he work as lo permit the 0|.)eral-ion of a toolopposite Said {Steady-rest.

a; f i W'hal, l (claim is:

l. The combination of a Steady-rest ear rier having an adjustable stop,and' an ant0- inatieally-operative 'cani lever, the Caml of which isadapted to engage Said stop te advance said Carrier and unyieldinglypreven' its relraetive movement.

2, rThe Combination of 'a bodilymovable steady-rest can'ier, a Screwtapped through the me, a cani for engaging Sail'l Screw, to nnyieldinglyadvance said Steady-rest ear rier, and a Second Screw' for limiting themovement of said carrier. A l

3. The combination of a bodily-movable steady-rest', carrier having anopening eX- Lenfling entirely through the saine from top to bottonithereof, ay relatively-fixed guide pin extending entirely through Saidopening the pin and opening' being at an. angle to the l vertical, anila Cani for applying its ei'leet Clireetly to ,said carrier tounyieldingly aclvanee the saine. p

In testinimr whereolI allix my Signature in preseneeof 'two witnesses. fV BRENGT M. ll/HANSON lVitneSses NVK M1 Sjinniis, ll. YV. lnpnonimn.

